Based on the user reviews of the Egg Evolver 3D app, here are three cons and pros in English, each limited to 15 words: **Cons:** 1. Some users find the app's 3D graphics and animation too basic and simple. 2. A few users encounter compatibility issues with older iOS devices or lower-end hardware. 3. Others expresses frustration with the app's limited features and lack of customization options. **Pros:** 1. Reviewers praise the app's intuitive and easy-to-use interface, perfect for kids. 2. Many users enjoy the app's colorful and engaging visual effects and animations. 3. The app's educational value is highlighted, helping children learn about biology and evolution.